Vulnerability Name:

CVE-2021-22020 (CCN-209734)

Assigned:2021-09-21
Published:2021-09-21
Updated:2021-09-30
Summary:The vCenter Server contains a denial-of-service vulnerability in the Analytics service. Successful exploitation of this issue may allow an attacker to create a denial-of-service condition on vCenter Server.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H)
4.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-22020

Source: XF
Type: UNKNOWN
vmware-vcenter-cve202122020-dos(209734)

Source: CCN
Type: VMware Security Advisory VMSA-2021-0020
VMware vCenter Server updates address multiple security vulnerabilities

Source: MISC
Type: Patch, Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2021-0020.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:vmware:cloud_foundation:*:*:*:*:*:*:*:* (Version >= 3.0 and < 3.10.2.2)
  • OR cpe:/a:vmware:cloud_foundation:*:*:*:*:*:*:*:* (Version >= 4.0 and < 4.3)
  • OR cpe:/a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:vmware:vcenter_server:6.7:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:cloud_foundation:3.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:cloud_foundation:4.0:*:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    vmware cloud foundation *
    vmware cloud foundation *
    vmware vcenter server 6.7 -
    vmware vcenter server 7.0 -
    vmware vcenter server 6.7
    vmware cloud foundation 3.0
    vmware cloud foundation 4.0
    vmware vcenter server 7.0 -